MCQs Biology-24 Posted on December 2, 2025December 2, 2025Author agropublishers 0 MCQs Biology-24 1. Sea urchins belong to the phylum ________ Hemichordata Chordata Mollusca Echinodermata 2. In prokaryotic cells, the flagellar filament is directly assembled from subunits that originate and extend outward from the _________ Nucleus Cell wall Basal body Cell membrane 3. Waxes are an example of ———— Monosaccharide Polysaccharide Lipid Disaccharide 4. Albedo refers to _________ Light scattering only Light absorption Light reflection Light refraction 5. Fructose is a ———— Disaccharide Polysaccharide Lipid Monosaccharide 6. Which organelle is the site of photosynthesis? Chloroplast Mitochondria Golgi apparatus Ribosome 7. Which of the following is a placental mammal? Opossum Bat Kangaroo Rat 8. __________ describes the ability of an organism to produce abundant offspring or eggs Fecundity Productivity Reproductive capacity Fertility 9. The ratio of red to far-red light primarily affects which physiological process in plants? Stomatal index Phytochrome signaling Rubisco oxygenase activity ATP synthase activity 10. The first stable product of C3 photosynthesis is _________ Malate Pyruvate 3-phosphoglycerate Oxaloacetate Loading … Question 1 of 10